http://book.klll.cc/ebooks/author/56125.opds?sort_order=release_date 2025-11-16T05:15:48Z Books by Bersch, Wilhelm Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T05:15:48Z https://de.wikipedia.org/wiki/Wilhelm_Bersch See also: de.wikipedia 2025-11-16T05:15:48Z https://book.klll.cc/ebooks/71219.opds The manufacture of earth colours : With thirty-one illustrations Josef Bersch